Finding the Fourth Proportional to 2,636,557.75, 3,638,837.96 and 1,669,777.93
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Solution
The fourth proportional to 2,636,557.75, 3,638,837.96 and 1,669,777.93 is: 2,304,539.44
Step by Step Solution
- Step 1: Write the proportion equation
2,636,557.75 : 3,638,837.96 = 1,669,777.93 : x - Step 2: Convert to fraction form
2,636,557.75/3,638,837.96 = 1,669,777.93/x - Step 3: Cross multiply
2,636,557.75x = 3,638,837.96 × 1,669,777.93 - Step 4: Simplify right side
2,636,557.75x = 6,076,051,316,454.22 - Step 5: Solve for x
x = 6,076,051,316,454.22/2,636,557.75 - Step 6: Final answer
x = 2,304,539.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.